Copolymers of vinyl alcohol and itaconic acid for use in...

Details Copolymers of vinyl alcohol and itaconic acid for use in... Copolymers of vinyl alcohol and itaconic acid for use in...

2008-05-13

2008-05-13

Egwim, Kelechi C. (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C524S561000, C524S564000, C524S803000, C526S318300, C526S318400, C526S318440, C526S318500, C526S330000, C526S329500

Reexamination Certificate

active

07371796

ABSTRACT:
The present invention is a composition useful for coating the surface of paper wherein the coating composition is an aqueous solution comprising less than 40 wt % water and consisting essentially of a polyvinyl alcohol copolymer that is at least about 95% hydrolyzed, and a process for preparing the same.

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Moritani et al., “Functional modification of poly(vinyl alcohol) by copolymerization: II. Modification with a sulfonate monomer”, Polymer, vol. 39 No. 3, pp. 553-557, 1997, not art.

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